--- JSON-XS/XS.xs 2009/10/10 01:48:50 1.102 +++ JSON-XS/XS.xs 2010/01/06 08:01:39 1.103 @@ -79,6 +79,8 @@ INCR_M_WS = 0, // initial whitespace skipping, must be 0 INCR_M_STR, // inside string INCR_M_BS, // inside backslash + INCR_M_C0, // inside comment in initial whitespace sequence + INCR_M_C1, // inside comment in other places INCR_M_JSON // outside anything, count nesting }; @@ -1528,19 +1530,30 @@ { const char *p = SvPVX (self->incr_text) + self->incr_pos; + // the state machine here is a bit convoluted and could be simplified a lot + // but this would make it slower, so... + for (;;) { //printf ("loop pod %d *p<%c><%s>, mode %d nest %d\n", p - SvPVX (self->incr_text), *p, p, self->incr_mode, self->incr_nest);//D switch (self->incr_mode) { - // only used for intiial whitespace skipping + // only used for initial whitespace skipping case INCR_M_WS: for (;;) { if (*p > 0x20) { - self->incr_mode = INCR_M_JSON; - goto incr_m_json; + if (*p == '#') + { + self->incr_mode = INCR_M_C0; + goto incr_m_c; + } + else + { + self->incr_mode = INCR_M_JSON; + goto incr_m_json; + } } else if (!*p) goto interrupt; @@ -1557,6 +1570,25 @@ self->incr_mode = INCR_M_STR; goto incr_m_str; + // inside #-style comments + case INCR_M_C0: + case INCR_M_C1: + incr_m_c: + for (;;) + { + if (*p == '\n') + { + self->incr_mode = self->incr_mode == INCR_M_C0 ? INCR_M_WS : INCR_M_JSON; + break; + } + else if (!*p) + goto interrupt; + + ++p; + } + + break; + // inside a string case INCR_M_STR: incr_m_str: @@ -1624,6 +1656,11 @@ case '}': if (--self->incr_nest <= 0) goto interrupt; + break; + + case '#': + self->incr_mode = INCR_M_C1; + goto incr_m_c; } } } @@ -1634,6 +1671,7 @@ interrupt: self->incr_pos = p - SvPVX (self->incr_text); + //printf ("interrupt<%.*s>\n", self->incr_pos, SvPVX(self->incr_text));//D //printf ("return pos %d mode %d nest %d\n", self->incr_pos, self->incr_mode, self->incr_nest);//D }